255 West 90th Street, Manhattan

Co-op · 38 units · built c. 1920 · Block 1238, Lot 10.

Building permits

Property taxes

Assessment
$10,808,100
2026–27 tax
$965,008
Market value (city estimate)
$24,018,000
Taxable value
$9,123,920
Assessed land
$1,687,500
Assessed improvements
$9,120,600

Tax breaks

Zoning

C4-6A: floor area ratio 9.59 built, 10.00 allowed by base zoning.

Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

Recent sales

Open-market sales since 2016, from the Department of Finance’s sales files.

More construction in Upper West Side

Every lot on block 1238

Umarelli: construction in New York City and Jersey City